DUNLAP, Thomas R.  <br/><br/>
In the field, among the feathered :   a history of birders & their guides 

 - Oxford.  Oxford  2011 
 - x, 241p. 
<br/><br/><label>ISBN: </label>9780199734597 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Birds--Conservation--Identification--watchers.<br/>Bird watching.<br/>United States.
<br/><br/><label>Dewey Class. No.: </label>598.072 347 3  / DUN-F